How do you simplify #x^2-4x+3# for x=5?

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Answer 1 · 2018-07-05T15:08:10

#8#

Given: #x^2-4x+3#.

Plug in for #x=5#.

#=5^2-4*5+3#

#=25-20+3#

#=5+3#

#=8#

Answer 2 · 2018-07-05T15:10:01

#8#

#"substitute x = 5 into the expression"#

#=(color(red)(5))^2-4(color(red)(5))+3#

#=25-20+3=8#